• MRCOOL No Vac
  • MRCOOL No Vac
MRCOOL No Vac
MRCOOL No Vac

Brand: MRCOOL

MRCOOL No Vac 3/8 3/4 Precharged Lineset for Ducted Systems - R454B

SKU NV15-3834-O
$334.00

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We offer fast, relaible & free shipping on all orders within the contiguous U.S. Orders are typically processed within 1–2 business days, with most deliveries arriving in 5–9 business days, depending on the product and destination. Larger items may ship via freight and require a scheduled curbside delivery. Please ensure your shipping information is accurate at checkout. For complete details, please see our Shipping Policy or contact us by phone, email, or live chat.

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Returns

Returns are accepted within 30 days of delivery for unused, uninstalled items in their original packaging.

Customer-initiated returns are subject to customer-paid return shipping and a 25% restocking fee. Defective or damaged products are not subject to a restocking fee.

For complete details, please see our Return & Refund Policy or contact us by phone, email, or live chat.

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MRCOOL No Vac MRCOOL No Vac
MRCOOL No Vac MRCOOL No Vac

Brand: MRCOOL

MRCOOL No Vac 3/8 3/4 Precharged Lineset for Ducted Systems - R454B

SKU NV15-3834-O
MRCOOL No Vac

Let customers speak for us

from 62 reviews
MRCOOL DIY 9,000 BTU 5th Gen Easy Pro 20.2 SEER2 Ductless Mini Split Heat Pump System - R454B - 115V
Christopher Po
Good seller fast shipping

Good seller fast shipping.

MRCOOL DIY 9,000 BTU 5th Gen Easy Pro 20.2 SEER2 Ductless Mini Split Heat Pump System - R454B - 115V
MRCOOL DIY Select 18,000 BTU 17.3 SEER2 Ductless Mini Split System - R454B - 230V
Jeff Buser

It was very easy to install and the perfect size for what I needed.

MRCOOL DIY Select 18,000 BTU 17.3 SEER2 Ductless Mini Split System - R454B - 230V
MRCOOL DIY Select 12,000 BTU 17.5 SEER2 Ductless Mini Split System - R454B - 115V
eddie cortes
cool cool cool

Very satisfied with Mr.Cool unit keeps my apt so cool that I have turn up the thermostat excelent customer service

MRCOOL DIY Select 12,000 BTU 17.5 SEER2 Ductless Mini Split System - R454B - 115V
Anna
The shopping experience was seamless.

The shopping experience with The Living Outlet was seamless from start to finish. Our order arrived on time, everything was very well packed, and the entire process went smoothly. Before placing the order, I had a couple of questions about the system and wanted to make sure we were choosing the right option. Ryan was very helpful, knowledgeable, and took the time to answer our questions clearly, which made us feel much more confident about the purchase. The installation also went smoothly, and so far we are very happy with the system and how everything has worked out. It is always reassuring to purchase from a company that is responsive and helpful both before and after the sale. Overall, we had a great experience with The Living Outlet and are very satisfied with our purchase. Thanks, TLO!

The Living Outlet
MRCOOL DIY Select 12,000 BTU 17.5 SEER2 Ductless Mini Split System - R454B - 115V
Anna
Works Great

The system works great and good value for the price.

MRCOOL DIY Select 12,000 BTU 17.5 SEER2 Ductless Mini Split System - R454B - 115V
MRCOOL DIY 24,000 BTU 5th Gen Easy Pro 18.9 SEER2 Ductless Mini Split Heat Pump - R454B - 230V
Jason B.

Energy bills are noticeably lower, and the comfort level is much better compared to our old unit

MRCOOL DIY 24,000 BTU 5th Gen Easy Pro 18.9 SEER2 Ductless Mini Split Heat Pump - R454B - 230V
MRCOOL DIY 12,000 BTU 5th Gen Easy Pro 19.5 SEER2 Ductless Mini Split Heat Pump System - R454B - 115V
Angela F.

This is the second MRCOOL we’ve purchased. The 12K fits our office perfectly. Couldn’t be happier.

MRCOOL DIY 12,000 BTU 5th Gen Easy Pro 19.5 SEER2 Ductless Mini Split Heat Pump System - R454B - 115V
MRCOOL 18,000 BTU DIY 5th Gen Energy Star 22.5 SEER2 Ductless Mini Split Heat Pump System - R454B - 230V
Ethan W.

Cools fast, runs efficiently, but the packaging could be sturdier. Still, highly recommend.

MRCOOL 18,000 BTU DIY 5th Gen Energy Star 22.5 SEER2 Ductless Mini Split Heat Pump System - R454B - 230V
MRCOOL 24,000 BTU DIY 5th Gen Energy Star 22.7 SEER2 Ductless Mini Split Heat Pump System - R454B - 230V
Amanda G.

Couldn’t be happier. Keeps our large bedroom perfectly cool, and I love controlling it with my phone.

MRCOOL 24,000 BTU DIY 5th Gen Energy Star 22.7 SEER2 Ductless Mini Split Heat Pump System - R454B - 230V
MRCOOL Advantage 5th Gen 36,000 BTU Ductless Mini Split Heat Pump System R-454B - 230V
Kelly M.

Perfect system for a nursery. Runs quietly and keeps the temperature steady all night.

MRCOOL Advantage 5th Gen 36,000 BTU Ductless Mini Split Heat Pump System R-454B - 230V
MRCOOL 18k DIY 5th Generation Mini-split Air Handler 230v R454B - DIY-18-HP-WMAH-230D25-O
James W.

Puts out plenty of cold air for our family room. Quiet enough that we can watch movies without distraction.

MRCOOL 18k DIY 5th Generation Mini-split Air Handler 230v R454B - DIY-18-HP-WMAH-230D25-O
MRCOOL DIY 18,000 BTU 5th Gen Easy Pro 20 SEER2 Ductless Mini Split Heat Pump System - R454B - 230V
Brian J.

Perfect for our small apartment. Simple setup, great airflow, and very quiet.

MRCOOL DIY 18,000 BTU 5th Gen Easy Pro 20 SEER2 Ductless Mini Split Heat Pump System - R454B - 230V
MRCOOL 12,000 BTU DIY 5th Gen Energy Star 23.5 SEER2 Ductless Mini Split Heat Pump System - R454B - 115V
Emily T.

Great system, but I wish the Wi-Fi app was a little more polished. Otherwise, no complaints.

MRCOOL 12,000 BTU DIY 5th Gen Energy Star 23.5 SEER2 Ductless Mini Split Heat Pump System - R454B - 115V
MRCOOL DIY 9,000 BTU 5th Gen Easy Pro 20.2 SEER2 Ductless Mini Split Heat Pump System - R454B - 115V
Paul G.

Nice little unit. It’s not as powerful as the larger ones of course, but for a small room, it does the job well.

MRCOOL DIY 9,000 BTU 5th Gen Easy Pro 20.2 SEER2 Ductless Mini Split Heat Pump System - R454B - 115V
MRCOOL DIY 24,000 BTU 5th Gen Easy Pro 18.9 SEER2 Ductless Mini Split Heat Pump - R454B - 230V
Catherine S.

We’ve had this for a few months now, and I’m impressed with how well it heats in the winter too. Very versatile

MRCOOL DIY 24,000 BTU 5th Gen Easy Pro 18.9 SEER2 Ductless Mini Split Heat Pump - R454B - 230V

What customers think about the store

Store offers efficient HVAC systems with strong DIY installation support. Customers praise fast shipping, competitive pricing, and excellent product performance. Units deliver powerful cooling/heating, quiet operation, and energy savings. Installation is strai...

AI-generated from customer reviews.

Cooling Installation Instructions Room
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Customers rate us 5.0/5 based on 62 reviews.